#include<stdio.h>
#include<time.h>
int main()
{
	int a=2e9,i=1e9,aa;
	clock_t time;
	time=clock();
	while(i--)
	{
		while(a<0)
		{
			int x;
			x=22222;
			a--;
		}
	}
	printf("Hello World!\n");
	printf("\ntime=%.0lfms\n",1000*(clock()-(double)time)/CLOCKS_PER_SEC);
	return 0;
}